Home / 11,890.67-16,407.36-6,585.48

Finding the Fourth Proportional to 11,890.67, 16,407.36 and 6,585.48

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Solution

The fourth proportional to 11,890.67, 16,407.36 and 6,585.48 is: 9,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.67 : 16,407.36 = 6,585.48 : x
  2. Step 2: Convert to fraction form
    11,890.67/16,407.36 = 6,585.48/x
  3. Step 3: Cross multiply
    11,890.67x = 16,407.36 × 6,585.48
  4. Step 4: Simplify right side
    11,890.67x = 108,050,341.13
  5. Step 5: Solve for x
    x = 108,050,341.13/11,890.67
  6. Step 6: Final answer
    x = 9,086.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.